(19)

(11)

EP 2 756 113 A2

(12)

(88) Date of publication A3: 18.07.2013 (43) Date of publication: 23.07.2014 Bulletin 2014/30 (21) Application number: 12761592.0 (22) Date of filing: 13.09.2012

(51) International Patent Classification (IPC):  C25B 11/03(2006.01) (86) International application number: PCT/EP2012/067974 (87) International publication number: WO 2013/037902 (21.03.2013 Gazette 2013/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 15.09.2011 US 201161535057 P (71) Applicant: Industrie De Nora S.P.A. 20134 Milano (IT)	(72) Inventors: GULLÁ, Andrea, Francesco Shaker Heights, OH 44122-6422 (US) KRASOVIC, Julia, Lynne Fairport Harbor, OH 44077 (US) (74) Representative: Reitstötter Kinzebach  Patentanwälte Sternwartstrasse 4 81679 München 81679 München (DE)